Finding the Fourth Proportional to 170,212.97, 234,889.66 and 93,731.46
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Solution
The fourth proportional to 170,212.97, 234,889.66 and 93,731.46 is: 129,347.08
Step by Step Solution
- Step 1: Write the proportion equation
170,212.97 : 234,889.66 = 93,731.46 : x - Step 2: Convert to fraction form
170,212.97/234,889.66 = 93,731.46/x - Step 3: Cross multiply
170,212.97x = 234,889.66 × 93,731.46 - Step 4: Simplify right side
170,212.97x = 22,016,550,536.38 - Step 5: Solve for x
x = 22,016,550,536.38/170,212.97 - Step 6: Final answer
x = 129,347.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.